Well, I have some questions about this update: Are they working on be some MD2 support upgrades? such as increasing the max number of polygons or improving the way MD2 works on time attack. Are they working on new abilities that changes the way we play?
Also, I wanted to say I hope this update get a official launcher.

Why would you assume that they would touch OGL at all? Its a cancerous, inefficient Renderer that they would gladly tear out if people didn't complain. As it is, they still would tear it out if they could replace it with a rewrite.

But onto things that we /do/ know about 2.2, we know that it will have flatsprites, a completely rewritten skin system that its concept dates back all the way to when JTE was working on SRB2RP, improvements to A_Overlay (or something similar to that, looking at Tails), Some Lua functions that work with slopes, and other Lua related stuff.

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"ringslinger is more unbalanced than sonics thok" -White, 11/6/2017

Do we really need a 2.2 discussion thread? When we have an entire sub-forum here dedicated to SRB2 discussion? I mean, this thread doesn't do any harm I just find it a little silly!

Also to the best of my non-developer knowledge, Grand Eggship isn't planned to be in 2.2. STJR already has a lot of planned content for 2.2 after all. It's still an interesting early work in progress screenshot though.

To expand on the slope physics, that "loop" is all a trick. The new feature in the slope physics is the ability to launch the player off of quarterpipes. Hence, the "loop" simply has the top half under reverse gravity. If you watch really closely you can even see the point where the transfer and gravity flip occurs.

Our attempts to teach new players the controls don’t stop there. This is a screenshot of a record attack replay being viewed, which shows the controls being used in a new HUD element in the bottom-left corner, as well as an icon for a new feature: automatic braking.